Hello together,
attached the new features:

For the resolution you can also set a custom resolution.
See C:Program Files (x86)SteamsteamappscommonSummer IslandsDatasettings.json

You can also resize the window:


NEW FEATURES
- New Standard Port: 21619
- Added Resolution Options
- Added Fullscreen/Window Option
- Added SummerIslands/Data/Settings.json
- Improvements Bots Streets
USABILITY IMPROVEMENTS
- Fix >1080 resolution
- Fix Tutorial >1080 resolution
- Fix Mouse Over Building Info >1080 resolution
- Fix OptionsSoundMenu >1080 resolution
- Fix Right Mouseclick <1080 resolution
- Fix Multiplayer saving
- Internal ERROR CODEs via e-mail from Community